Important factors to consider in making tax adjustments to pass-through income Damodaran recently wrote about the potential devaluation of dividend-paying stocks if the preferred dividend tax rate were to climb back up to the ordinary rate.  This could inspire valuation experts to make a tax adjustment reducing untaxed Pass-Through Entity (PTE) income to equate it with corporately taxed income that qualifies for tax preference at the shareholder level.  Before making this tax adjustment, the valuation expert should consider several factors.